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WS111.xml
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<tutelage_tmpl name="TU1081M">
<feedback name="FB1">
<trigger>
<cond>
<choice_ref name ="C1"/>==1
</cond>
</trigger>
</feedback>
<feedback name="FB2">
<trigger>
<cond>
<choice_ref name ="C2"/>==1
</cond>
</trigger>
</feedback>
<feedback name="FB3">
<trigger>
<cond>
<choice_ref name ="C4"/>==1
</cond>
</trigger>
</feedback>
</tutelage_tmpl>
<tutelage_tmpl name="TU1081">
<params>
<param name="A" type="int"/>
<param name="B" type="int"/>
</params>
<feedback name="FB1">
<trigger>
<cond>
<fib_ref name="fib1"/>==$(A*10+9)+(B*10+9)$
</cond>
</trigger>
</feedback>
<feedback name="FB2">
<trigger>
<cond>
<fib_ref name="fib1"/>==$(A+B)*10$
</cond>
</trigger>
</feedback>
<feedback name="FB3">
<trigger>
<cond>
<fib_ref name="fib1"/>==$(A+1)*10+B*10$
</cond>
</trigger>
</feedback>
<feedback name="_UNCOMMON"></feedback>
</tutelage_tmpl>
<tutelage_tmpl name="TU1082M">
<feedback name="FB1">
<trigger>
<cond>
<choice_ref name ="C2"/>==1
</cond>
</trigger>
</feedback>
<feedback name="FB2">
<trigger>
<cond>
<choice_ref name ="C3"/>==1
</cond>
</trigger>
</feedback>
<feedback name="FB3">
<trigger>
<cond>
<choice_ref name ="C4"/>==1
</cond>
</trigger>
</feedback>
</tutelage_tmpl>
<tutelage_tmpl name="TU1082">
<params>
<param name="A" type="int"/>
<param name="B" type="int"/>
</params>
<feedback name="FB1">
<trigger>
<cond>
<fib_ref name="fib1"/>==$Math.round(A/10)*10+Math.round(B/10)*10+10$
</cond>
</trigger>
</feedback>
<feedback name="FB2">
<trigger>
<cond>
<fib_ref name="fib1"/>==$Math.round(A/10)*10+Math.round(B/10)*10-10$
</cond>
</trigger>
</feedback>
<feedback name="_UNCOMMON"></feedback>
</tutelage_tmpl>
<tutelage_tmpl name="TU1083">
<params>
<param name="A" type="int"/>
<param name="B" type="int"/>
</params>
<feedback name="FB1">
<trigger>
<cond>
<fib_ref name="fib1"/>==$A+B$
</cond>
</trigger>
</feedback>
<feedback name="FB2">
<trigger>
<cond>
<fib_ref name="fib1"/>==$Math.round(A/100)*100+Math.round(B/100)*100$
</cond>
</trigger>
</feedback>
<feedback name="_UNCOMMON"></feedback>
</tutelage_tmpl>
<tutelage_tmpl name="TU1084M">
<feedback name="FB1">
<trigger>
<cond>
<choice_ref name ="C1"/>==1
</cond>
</trigger>
</feedback>
<feedback name="FB2">
<trigger>
<cond>
<choice_ref name ="C2"/>==1
</cond>
</trigger>
</feedback>
<feedback name="FB3">
<trigger>
<cond>
<choice_ref name ="C4"/>==1
</cond>
</trigger>
</feedback>
</tutelage_tmpl>
<tutelage_tmpl name="TU1084">
<params>
<param name="A" type="int"/>
<param name="B" type="int"/>
</params>
<feedback name="FB1">
<trigger>
<cond>
<fib_ref name="fib1"/>==$(A+B+2)*10$
</cond>
</trigger>
</feedback>
<feedback name="FB2">
<trigger>
<cond>
<fib_ref name="fib1"/>==$(A*10+1)+(B*10+1)$
</cond>
</trigger>
</feedback>
<feedback name="FB3">
<trigger>
<cond>
<fib_ref name="fib1"/>==$(A-B)*10-10$
</cond>
</trigger>
</feedback>
<feedback name="_UNCOMMON"></feedback>
</tutelage_tmpl>
<tutelage_tmpl name="TU1085M">
<feedback name="FB1">
<trigger>
<cond>
<choice_ref name ="C1"/>==1
</cond>
</trigger>
</feedback>
<feedback name="FB2">
<trigger>
<cond>
<choice_ref name ="C2"/>==1
</cond>
</trigger>
</feedback>
<feedback name="FB3">
<trigger>
<cond>
<choice_ref name ="C4"/>==1
</cond>
</trigger>
</feedback>
</tutelage_tmpl>
<tutelage_tmpl name="TU1085">
<params>
<param name="A" type="int"/>
<param name="B" type="int"/>
</params>
<feedback name="FB1">
<trigger>
<cond>
<fib_ref name="fib1"/>==$Math.round(A/10)*10+Math.round(B/10)*10$
</cond>
</trigger>
</feedback>
<feedback name="FB2">
<trigger>
<cond>
<fib_ref name="fib1"/>==$Math.round(A/10)*10$
</cond>
</trigger>
</feedback>
<feedback name="FB3">
<trigger>
<cond>
<fib_ref name="fib1"/>==$A-B$
</cond>
</trigger>
</feedback>
<feedback name="_UNCOMMON"></feedback>
</tutelage_tmpl>
<tutelage_tmpl name="TU1086M">
<feedback name="FB1">
<trigger>
<cond>
<choice_ref name ="C2"/>==1
</cond>
</trigger>
</feedback>
<feedback name="FB2">
<trigger>
<cond>
<choice_ref name ="C3"/>==1
</cond>
</trigger>
</feedback>
<feedback name="FB3">
<trigger>
<cond>
<choice_ref name ="C4"/>==1
</cond>
</trigger>
</feedback>
</tutelage_tmpl>
<tutelage_tmpl name="TU1086">
<params>
<param name="A" type="int"/>
<param name="B" type="int"/>
</params>
<feedback name="FB1">
<trigger>
<cond>
<fib_ref name="fib1"/>==$Math.round(A/10)*10-Math.round(B/10)*10$
</cond>
</trigger>
</feedback>
<feedback name="FB2">
<trigger>
<cond>
<fib_ref name="fib1"/>==$A-B$
</cond>
</trigger>
</feedback>
<feedback name="_UNCOMMON"></feedback>
</tutelage_tmpl>
<tutelage_tmpl name="TU1087">
<params>
<param name="A" type="int"/>
<param name="B" type="int"/>
<param name="C" type="int"/>
<param name="D" type="int"/>
</params>
<feedback name="FB1">
<trigger>
<cond>
<fib_ref name="fib1"/>==$A*100+B*10+C$
</cond>
</trigger>
</feedback>
<feedback name="FB2">
<trigger>
<cond>
<fib_ref name="fib1"/>==$D$
</cond>
</trigger>
</feedback>
<feedback name="_UNCOMMON"></feedback>
</tutelage_tmpl>
<tutelage_tmpl name="TU1088">
<params>
<param name="A" type="int"/>
<param name="B" type="int"/>
<param name="C" type="int"/>
</params>
<feedback name="FB1">
<trigger>
<cond>
<fib_ref name="fib1"/>==$A*100+B*10+C$
</cond>
</trigger>
</feedback>
<feedback name="FB2">
<trigger>
<cond>
<fib_ref name="fib1"/>==111
</cond>
</trigger>
</feedback>
<feedback name="_UNCOMMON"></feedback>
</tutelage_tmpl>
<problem_tmpl name="PR1081" width="300">
<params>
<param name="A" type="int"/>
<param name="B" type="int"/>
<constraints>
<cond>1 < A < 5</cond>
<cond>2 < B < 6</cond>
</constraints>
</params>
<p>Round each number to the nearest ten to estimate the sum:</p>
<group name="PR1081" type="MCQ">
<p>$(A*10)+9$ + $(B*10)+9$ = About _____</p>
<choice name="C1">$(A*10+9)+(B*10+9)$</choice>
<choice name="C2">$(A+B)*10$</choice>
<choice name="C3">$(A+1)*10+(B+1)*10$</choice>
<choice name="C4">$(A+1)*10+B*10$</choice>
<solutions>
<solution>
<div>
<repeat index="i" val="4">
<cond><choice_ref name="C$i+1$"/>==$(i)==(2)$</cond>
</repeat>
</div>
</solution>
</solutions>
<tutelage_ref name="TU1081M"></tutelage_ref>
</group>
<group name="PR1081" type="FIB">
<p>$(A*10)+9$ + $(B*10)+9$ = About <fib type="int" name="fib1"/></p>
<solutions>
<solution>
<cond><fib_ref name="fib1"/>==$(A+1)*10+(B+1)*10$</cond>
</solution>
</solutions>
<tutelage_ref name="TU1081">
<bind name="A" val="A"/>
<bind name="B" val="B"/>
</tutelage_ref>
</group>
</problem_tmpl>
<problem_tmpl name="PR1082" width="300">
<params>
<param name="A" type="int"/>
<param name="B" type="int"/>
<constraints>
<cond>10 < A < 30</cond>
<cond>50 < B < 70</cond>
<cond>(A % 10) == 1 || (A % 10) == 9</cond>
<cond>(Math.floor(B ÷ 10) % 10) == 1 || (Math.floor(B ÷ 10) % 10) == 9</cond>
</constraints>
</params>
<p>Round each number to the nearest ten to estimate the sum:</p>
<group name="PR1082" type="MCQ">
<p>$A$ + $B$ = About _____</p>
<choice name="C1">$Math.round(A/10)*10+Math.round(B/10)*10$</choice>
<choice name="C2">$Math.round(A/10)*10+Math.round(B/10)*10+10$</choice>
<choice name="C3">$Math.round(A/10)*10+Math.round(B/10)*10-10$</choice>
<choice name="C4">$Math.round(A/10)*10+Math.round(B/10)*10+20$</choice>
<solutions>
<solution>
<div>
<repeat index="i" val="4">
<cond>
<choice_ref name="C$i+1$"/>==$(i)==(0)$
</cond>
</repeat>
</div>
</solution>
</solutions>
<tutelage_ref name="TU1082M"></tutelage_ref>
</group>
<group name="PR1082" type="FIB">
<p>$A$ + $B$ = About <fib type="int" name="fib1"/></p>
<solutions>
<solution>
<cond><fib_ref name="fib1"/>==$Math.round(A/10)*10+Math.round(B/10)*10$</cond>
</solution>
</solutions>
<tutelage_ref name="TU1082">
<bind name="A" val="A"/>
<bind name="B" val="B"/>
</tutelage_ref>
</group>
</problem_tmpl>
<problem_tmpl name="PR1083" width="500">
<params>
<param name="A" type="int"/>
<param name="B" type="int"/>
<constraints>
<cond>230 < A < 330</cond>
<cond>350 < B < 530</cond>
<cond>(A ÷ 10) % 10 + Math.floor(B ÷ 10) % 10 < 10</cond>
</constraints>
</params>
<p>Round each number to the nearest ten to estimate the sum:</p><p><img alt="Number line" src="https://res.cloudinary.com/ansr/image/upload/v1561368398/Tutor/SH1004.svg" width="500px"/></p>
<group>
<p>$A$ + $B$ = About <fib type="int" name="fib1"/></p>
<solutions>
<solution><cond><fib_ref name="fib1"/>==$Math.round(B/10)*10+Math.round(A/10)*10$</cond></solution>
</solutions>
<tutelage_ref name="TU1083">
<bind name="A" val="A"/>
<bind name="B" val="B"/>
</tutelage_ref>
</group>
</problem_tmpl>
<problem_tmpl name="PR1084" width="300">
<params>
<param name="A" type="int"/>
<param name="B" type="int"/>
<constraints>
<cond>1 < A < 8</cond>
<cond>0 < B < 8</cond>
<cond>A > B</cond>
</constraints>
</params>
<p>Round each number to the nearest ten to estimate the difference:</p>
<group name="PR1084" type="MCQ">
<p>$(A*10)+9$ - $(B*10)+9$ = About _____</p>
<choice name="C1">$(A+B+2)*10$</choice>
<choice name="C2">$(A*10+9)+(B*10+9)$</choice>
<choice name="C3">$(A-B)*10$</choice>
<choice name="C4">$(A-B)*10-10$</choice>
<solutions>
<solution>
<div>
<repeat index="i" val="4">
<cond><choice_ref name="C$i+1$"/>==$(i)==(2)$</cond>
</repeat>
</div>
</solution>
</solutions>
<tutelage_ref name="TU1084M"></tutelage_ref>
</group>
<group name="PR1084" type="FIB">
<p>$(A*10)+9$ - $(B*10)+9$ = About <fib type="int" name="fib1"/></p>
<solutions>
<solution>
<cond><fib_ref name="fib1"/>==$(A-B)*10$</cond>
</solution>
</solutions>
<tutelage_ref name="TU1084">
<bind name="A" val="A"/>
<bind name="B" val="B"/>
</tutelage_ref>
</group>
</problem_tmpl>
<problem_tmpl name="PR1085" width="300">
<params>
<param name="A" type="int"/>
<param name="B" type="int"/>
<param name="C" type="int"/>
<param name="D" type="int"/>
<constraints>
<cond>10 > A > 5</cond>
<cond>0 < C < 5</cond>
<cond>((C × 10) + D) < ((A × 10) + B)</cond>
<cond>B == 1 || B == 9</cond>
<cond>D == 1</cond>
</constraints>
</params>
<p>Round each number to the nearest ten to estimate the difference:</p>
<group name="PR1085" type="MCQ">
<p>$A*10+B$ - $C*10+D$ = About _____</p>
<choice name="C1">$((Math.round((A*10+B)/10) + Math.round((C*10+D)/10))*10)$</choice>
<choice name="C2">$(Math.round((A*10+B)/10)*10)$</choice>
<choice name="C3">$((Math.round((A*10+B)/10) - Math.round((C*10+D)/10))*10)$</choice>
<choice name="C4">$(A*10+B)-(C*10+D)$</choice>
<solutions>
<solution>
<div>
<repeat index="i" val="4">
<cond>
<choice_ref name="C$i+1$"/>==$(i)==(2)$
</cond>
</repeat>
</div>
</solution>
</solutions>
<tutelage_ref name="TU1085M"></tutelage_ref>
</group>
<group name="PR1085" type="FIB">
<p>$A*10+B$ - $C*10+D$ = About <fib type="int" name="fib1"/></p>
<solutions>
<solution>
<cond><fib_ref name="fib1"/>==$((Math.round((A*10+B)/10) - Math.round((C*10+D)/10))*10)$</cond>
</solution>
</solutions>
<tutelage_ref name="TU1085">
<bind name="A" val="A"/>
<bind name="B" val="B"/>
</tutelage_ref>
</group>
</problem_tmpl>
<problem_tmpl name="PR1086" width="300">
<params>
<param name="A" type="int"/>
<param name="B" type="int"/>
<constraints>
<cond>600 < A < 900</cond>
<cond>200 < B < 500</cond>
<cond>B < A</cond>
<cond>((A ÷ 10) % 10) == 0 || ((A ÷ 10) % 10) == 1 || ((A ÷ 10) % 10) == 8 || ((A ÷ 10) % 10) == 9</cond>
<cond>(Math.floor(B ÷ 10) % 10) == 0 || (Math.floor(B ÷ 10) % 10) == 1 || ((A ÷ 10) % 10) == 8 || (Math.floor(B ÷ 10) % 10) == 9</cond>
</constraints>
</params>
<p>Kenneth has $A$ pens. He gives $B$ pens to his sister. How many pens does Kenneth have left? Round to the nearest hundred to estimate the difference.</p>
<group name="PR1086" type="MCQ">
<choice name="C1">$((Math.round(A/100) - Math.round(B/100))*100)$ pens</choice>
<choice name="C2">$Math.round(A/100)*100$ pens</choice>
<choice name="C3">$Math.round(A-B)$ pens</choice>
<choice name="C4">$Math.round(B/100)*100$ pens</choice>
<solutions>
<solution>
<repeat index="i" val="4">
<cond>
<choice_ref name="C$i+1$"/>==$(i)==(0)$
</cond>
</repeat>
</solution>
</solutions>
<tutelage_ref name="TU1086M"></tutelage_ref>
</group>
<group name="PR1086" type="FIB">
<p>Kenneth has about <fib type="int" name="fib1"/> pens left.</p>
<solutions>
<solution>
<cond>
<fib_ref name="fib1"/>==$((Math.round(A/100) - Math.round(B/100))*100)$
</cond>
</solution>
</solutions>
<tutelage_ref name="TU1086">
<bind name="A" val="A"/>
<bind name="B" val="B"/>
</tutelage_ref>
</group>
</problem_tmpl>
<problem_tmpl name="PR1087" width="300">
<params>
<param name="A" type="int"/>
<param name="B" type="int"/>
<param name="C" type="int"/>
<param name="D" type="int"/>
<constraints>
<cond>1 <= A <= 8</cond>
<cond>1 <= B <= 8</cond>
<cond>1 <= C <= 8</cond>
<cond>D == 111</cond>
</constraints>
</params>
<group>
<p>Find the sum: $A*100+B*10+C$ + $D$ = <fib type="int" name="fib1"/></p>
<solutions>
<solution>
<cond><fib_ref name="fib1"/>==$(A+1)*100+(B+1)*10+(C+1)$ </cond>
</solution>
</solutions>
<tutelage_ref name="TU1087">
<bind name="A" val="A"/>
<bind name="B" val="B"/>
<bind name="C" val="C"/>
<bind name="D" val="D"/>
</tutelage_ref>
</group>
</problem_tmpl>
<problem_tmpl name="PR1088" width="300">
<params>
<param name="A" type="int"/>
<param name="B" type="int"/>
<param name="C" type="int"/>
<param name="D" type="int"/>
<constraints>
<cond>6 < A < 10</cond>
<cond>6 < B < 10</cond>
<cond>6 < C < 10</cond>
<cond>D < ((A × 100) + (B × 10) + C)</cond>
<cond>D == 111</cond>
</constraints>
</params>
<group>
<p><fib type="int" name="fib1"/> = $(A*100)+(B*10)+C$ - $D$</p>
<solutions>
<solution>
<cond>
<fib_ref name="fib1"/>==$(A*100)+(B*10)+C-D$
</cond>
</solution>
</solutions>
<tutelage_ref name="TU1088">
<bind name="A" val="A"/>
<bind name="B" val="B"/>
<bind name="C" val="C"/>
</tutelage_ref>
</group>
</problem_tmpl>
<worksheet_tmpl name="WS111">
<problem_ref name="PR1081">
<bind name="A" val="2"/>
<bind name="B" val="3"/>
</problem_ref>
<problem_ref name="PR1082">
<bind name="A" val="11"/>
<bind name="B" val="69"/>
</problem_ref>
<problem_ref name="PR1083">
<bind name="A" val="244"/>
<bind name="B" val="437"/>
</problem_ref>
<problem_ref name="PR1084">
<bind name="A" val="7"/>
<bind name="B" val="1"/>
</problem_ref>
<problem_ref name="PR1085">
<bind name="A" val="6"/>
<bind name="B" val="9"/>
<bind name="C" val="3"/>
<bind name="D" val="1"/>
</problem_ref>
<problem_ref name="PR1086">
<bind name="A" val="695"/>
<bind name="B" val="491"/>
</problem_ref>
<problem_ref name="PR1087">
<bind name="A" val="7"/>
<bind name="B" val="6"/>
<bind name="C" val="7"/>
<bind name="D" val="111"/>
</problem_ref>
<problem_ref name="PR1088">
<bind name="A" val="8"/>
<bind name="B" val="1"/>
<bind name="C" val="7"/>
<bind name="D" val="111"/>
</problem_ref>
</worksheet_tmpl><worksheet_ref name="WS111"/>