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Basic · Week V · Day 7 of 7

Revision — this week and earlier weeks

5 sheets today · 68 problems in all. Print all 5 pages, or do one sheet at a time. Grown-ups: the answer key is at the end.

All weeks
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Today's story

Mia is helping in the kitchen and the garden today. Counting, adding and taking away pop up in everything. Let's help Mia work it out!

Sheet 1 of 5This week: Subtracting within 20

Subtract

1)
14 − 13 =
2)
7 − 4 =
3)
13 − 2 =
4)
3 − 1 =
5)
11 − 5 =
6)
3 − 1 =
7)
5 − 3 =
8)
6 − 4 =
9)
16 − 2 =
10)
10 − 9 =
11)
14 − 2 =
12)
4 − 3 =
13)
4 − 3 =
14)
16 − 14 =
15)
8 − 4 =
16)
5 − 1 =
Sheet 2 of 5Revision: Subtracting within 5

Subtract

1)
2 − 1 =
2)
4 − 1 =
3)
3 − 2 =
4)
5 − 4 =
5)
3 − 1 =
6)
2 − 1 =
7)
5 − 2 =
8)
2 − 1 =
9)
5 − 1 =
10)
2 − 1 =
11)
4 − 1 =
12)
2 − 1 =
13)
2 − 1 =
14)
3 − 2 =
15)
3 − 1 =
16)
4 − 1 =
Sheet 3 of 5Revision: Subtracting within 15

Subtract

1)
8 − 3 =
2)
2 − 1 =
3)
9 − 1 =
4)
8 − 4 =
5)
7 − 3 =
6)
15 − 6 =
7)
15 − 1 =
8)
9 − 7 =
9)
8 − 5 =
10)
10 − 2 =
11)
8 − 4 =
12)
8 − 7 =
13)
9 − 2 =
14)
4 − 2 =
15)
5 − 4 =
16)
14 − 7 =
Sheet 4 of 5Maths all around us

Maths all around us — read and solve

1)

A tree has 20 apples. 10 apples fall down. How many apples are still on the tree?

Answer:
2)

There are 16 stars in the sky. 14 are hidden by a cloud. How many stars can you still see?

Answer:
3)

Omar has 13 marbles and loses 9. How many marbles are left?

Answer:
4)

Kai had 20 dollars and spends 18. How many dollars are left?

Answer:
5)

Ravi takes 8 steps forward and 7 steps back. How many steps ahead is Ravi now?

Answer:
6)

The film is 14 hours long. Sam has watched 3 hours. How many hours are left?

Answer:
7)

There are 2 birds on a wire. 1 birds fly away. How many birds are left?

Answer:
Sheet 5 of 5Mixed challenge

Practice

1)
6 − 3 =
2)
5 − 2 =
3)
2 − 1 =
4)
13 − 6 =
5)
13 − 9 =
6)
14 − 10 =
7)
18 − 17 =
8)
11 − 10 =
9)
7 − 5 =
10)
12 − 7 =

Story problems

11)

Mia has 10 minutes to play. 7 minutes go by. How many minutes are left?

Answer:
12)

There are 4 flowers in a vase. 2 of them wilt. How many fresh flowers are left?

Answer:
13)

Ravi has 11 minutes to play. 10 minutes go by. How many minutes are left?

Answer:

Answer key (for grown-ups)

Sheet 1: This week: Subtracting within 20
1) 12) 33) 114) 25) 66) 27) 28) 29) 1410) 111) 1212) 113) 114) 215) 416) 4
Sheet 2: Revision: Subtracting within 5
1) 12) 33) 14) 15) 26) 17) 38) 19) 410) 111) 312) 113) 114) 115) 216) 3
Sheet 3: Revision: Subtracting within 15
1) 52) 13) 84) 45) 46) 97) 148) 29) 310) 811) 412) 113) 714) 215) 116) 7
Sheet 4: Maths all around us
1) 102) 23) 44) 25) 16) 117) 1
Sheet 5: Mixed challenge
1) 32) 33) 14) 75) 46) 47) 18) 19) 210) 511) 312) 213) 1
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