AsterQuiz Counting-Frame Subtraction MissionOnline version Subtract with frames by Hidden Author 1 What is 31 − 2? a 33 b 28 c 29 2 What is 24 − 5? a 20 b 18 c 19 3 What is 35 − 3? a 32 b 38 c 31 4 What is 42 − 2? a 44 b 39 c 40 5 What is 27 − 4? a 23 b 21 c 24 6 What is 36 − 5? a 31 b 30 c 32 7 On a counting frame, what do you do first? a remove all counters b show the starting number c write zero 8 After showing the starting number, what do you do next? a remove the number being subtracted b add more counters c change the operation 9 What do you count at the end? a counters left b counters removed only c empty spaces only 10 What does subtraction mean in this lesson? a grouping by tens only b taking away c adding 11 If 20 counters are shown and 3 are removed, how many remain? a 16 b 17 c 23 12 If 30 counters are shown and 4 are removed, how many remain? a 34 b 24 c 26
