MENTAL MATH
5 + 5 + 8
18
If 5-1=6, then 6-1=?
5
Draw a picture and solve 20 - 7=?
13
Write an equation for the Array
00000
00000
00000
3x5=15
There were 15 toy cars on a shelf… 9 of the cars were red and the rest of the cars were blue. How many blue cars were on the shelf?
6 Blue cars
Mental Math
50 + 10
60
If 20+10=30, then 30-20=?
10
Draw and solve
18 + 4 = ?
22
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000000000
000000000
5x9=45
Logan had 15 pennies. His sister gave him some more pennies. Now Logan has 19 pennies. How many pennies did Logan’s sister give him?
4 More pennies
Mental Math
100 + 900 =
1000
If 6+8 is 14, then 14-8=?
6
Draw and solve
5 + 4 = ?
9
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3 x 9 = 27
Sarah had 10 pennies. Her brother gave her some more pennies. Now Logan has 15 pennies. How many pennies did Sarah's brother give her?
5 More pennies.
MENTAL MATH
104 + 200 =
304
if 7+9=16, then 16-9=?
7
Draw and Solve
20 +30=?
50
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000000000
2 x 9= 18
There were 15 toy cars on a shelf. 6 of the cars were green and the rest of the cars were red . How many red cars were on the shelf?
9 Red Cars
Mental Math
865 + 10
875
If 16+5=21, then 21-5=?
16
Draw and Solve
10 + 20=?
30
000000
000000
000000
3 x 6 = 18
Mike had 20 basketballs. 9 of them went flat. How many could he still play with?
11 Basketballs