Number bonds to 20 — flashcards
Hold up a card; James says the missing part. Pairs with Number bonds to 20.
✂ Cut along the dashed lines. Small grey number = the answer.
11 + ▢ = 209
12 + ▢ = 208
13 + ▢ = 207
14 + ▢ = 206
15 + ▢ = 205
16 + ▢ = 204
17 + ▢ = 203
18 + ▢ = 202
10 + ▢ = 2010
20 − 6 = ▢14
20 − 13 = ▢7
20 − 9 = ▢11