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Expanded addition
expanded Multiplication
Array to Sentence
Sentence to Array
Estimate
100
40+30=70 6+7=13 70+13=83
What Is 46+37
100
60x40=2,400 60x3=180 6x40=240 6x3=18
what is 66x43
100
Draw the array, convert the array to a multiplication sentence, and solve. 3 rows and 3 objects in a row.
what is 3X3
100
4+4
what is 2x4
100
40x30=1200
what is 42x25
200
4,000+3,000=7,000 600+700=1,300 50+90=140 8+6=14 7,000+1,300+140+14=8,454
what is 4,658+3,796
200
Convert the repeated addition into a multiplication sentence, and solve. 4+4+4=
what is 4X3
200
Draw the array, convert the array to a multiplication sentence, and solve. 2 rows and 4 objects in a row.
what is 2X4
200
3+3+3+3+3
what is 3x5
200
2000x600=1,200,000
what is 2397x584
300
500+400=900 60+90=150 8+7=15 900+150+15=1,065
what is 568+497
300
Convert the repeated addition into a multiplication sentence, and solve. 5+5+5+5+5=
what is 5X5
300
Draw the array, convert the array to a multiplication sentence, and solve. 3 rows and 6 objects in a row.
what is 3X6
300
8+8+8+8+8+8+8+8+8
what is 8x9
300
6000x300=1,800,000
what is 6329x329
400
6,000+4,000=10,000 800+800=1,600 40+60=100 5+7=12 10,000+1,600+100+12=11,712
what is 6,845+4,867
400
Convert the repeated addition into a multiplication sentence, and solve. 6+6+6+6+6+6+6=
what is 6X7
400
Draw the array, convert the array to a multiplication sentence, and solve. 6 rows and 5 objects in a row. 6x5=30
what is 6X5
400
5+5+5+5+5+5
what is 5x6
400
9000x300=2,700,000
what is 9383x312
500
60,000+30,000=90,000 7,000+2,000=9,000 400+300=700 50+20=70 3+1=4 90,000+9,000+700+70+4=99,774
what is 67,453+32,321
500
Convert the repeated addition into a multiplication sentence, and solve. 7+7+7+7+7=
what is 7X5
500
Draw the array, convert the array to a multiplication sentence, and solve. 4 rows and 7 objects in a row. 4x7=28
what is 4X7
500
9+9+9+9+9=
what is 9x5
500
30,000x400=12,000,000
what is 34,234x412